yamnet_microphone_gain

private val readAudio = Runnable {
        var readBytes: Int
        buffer = ShortArray(BUFFER_SIZE)
        while (mRecording) {
            readBytes = mRecorder!!.read(buffer, 0, BUFFER_SIZE)

            //Higher volume of microphone
            //https://stackoverflow.com/questions/25441166/how-to-adjust-microphone-sensitivity-while-recording-audio-in-android
            if (readBytes > 0) {
                for (i in 0 until readBytes) {
                    buffer[i] = Math.min(
                        (buffer[i] * 6.7).toInt(),
                        Short.MAX_VALUE.toInt()
                    ).toShort()
                }
            }
            if (readBytes != AudioRecord.ERROR_INVALID_OPERATION) {
                for (s in buffer) {

                    // Add all values to arraylist
                    bufferForInference.add(s)

                    writeShort(mPcmStream, s)
                }
            }
        }
}